Problem 1 Answer: x = -1 + 0.25y
Show Work:
1) Solving
-4x + y = 4
2) Solving for variable 'x'.
3) Move all terms containing x to the left, all other terms to the right.
4) Add '-1y' to each side of the equation.
-4x + y + -1y = 4 + -1y
5) Combine like terms: y + -1y = 0
-4x + 0 = 4 + -1y
-4x = 4 + -1y
6) Divide each side by '-4'.
x = -1 + 0.25y
7) Simplifying
x = -1 + 0.25y
Problem 2 Answer: x = 6.5 + -1y
Show Work:
1) Solving
2x + 2y = 13
2) Solving for variable 'x'.
3) Move all terms containing x to the left, all other terms to the right.
4) Add '-2y' to each side of the equation.
2x + 2y + -2y = 13 + -2y
5) Combine like terms: 2y + -2y = 0
2x + 0 = 13 + -2y
2x = 13 + -2y
6) Divide each side by '2'.
x = 6.5 + -1y
7) Simplifying
x = 6.5 + -1y
